Volitional control of breathing often leads to excessive ventilation (hyperventilation) among untrained individuals. which disrupts CO2 homeostasis and may elicit a set of undesirable symptoms. The present study investigated whether seven days of training without any anti-hyperventilation instructions improves CO2 homeostasis during paced breathing at a frequency of 0. 1 Hz (6 breaths... https://herbsdailyes.shop/product-category/face-serums/